private IEnumerator SpawnChunksAroundCenter(Int3 center, MoveDirection dir)
{
int w = renderDistance;
int h = renderDistanceVertical;
Int3 min = new Int3(-w, -h, -w) + center;
Int3 max = new Int3(+w, +h, +w) + center;
if (dir == MoveDirection.Right)
{
min.x = max.x;
}
if (dir == MoveDirection.Up)
{
min.y = max.y;
}
if (dir == MoveDirection.Front)
{
min.z = max.z;
}
if (dir == MoveDirection.Left)
{
max.x = min.x;
}
if (dir == MoveDirection.Down)
{
max.y = min.y;
}
if (dir == MoveDirection.Back)
{
max.z = min.z;
}
List <Int3> spawnPoints = new List <Int3>(); // make a list of locations to spawn chunks at
for (int x = min.x; x <= max.x; x++)
{
for (int y = min.y; y <= max.y; y++)
{
for (int z = min.z; z <= max.z; z++)
{
Int3 p = new Int3(x, y, z);
// calculate this chunks distance from the center:
p.tag = Int3.ManhattanDis(p, center);
// add the chunks in order by distance
// find the index number to insert the new chunk:
int i = 0;
while (i < spawnPoints.Count)
{
// if this other location is further away,
// we've found where to insert our chunk, so break out
if (p.tag < spawnPoints[i].tag)
{
break;
}
i++;
}
spawnPoints.Insert(i, p); // insert position
}
}
}
// spawn the chunks:
foreach (Int3 p in spawnPoints)
{
SpawnChunkAt(p);
yield return(null);
}
}
